From: Data-guide for brain deformation in surgery: comparison of linear and nonlinear models
Case 1
Case 2
Case 3
Case 4
Case 5
Case 6
Max error of the mechanical model
Δ x = 3.0 m m Δ y = 3.3 m m Δ z = 1 .1 m m
Δ x = 3.3 m m Δ y = 3.2 m m Δ z = 1.0 m m
Δ x = 3.4 m m Δ y = 4.4 m m Δ z = 0 .3 m m
Δ x = 2.9 m m Δ y = 3.1 m m Δ z = 0 .8 m m
Δ x = 2.7 m m Δ y = 2.8 m m Δ z = 0 .4 m m
Δ x = 4.0 m m Δ y = 3.4 m m Δ z = 1.7 m m
Mean error of the mechanical model
Δ x = 1.2 m m Δ y = 1.2 m m Δ z = 0 .4 m m
Δ x = 1.3 m m Δ y = 1.0 m m Δ z = 0 .3 m m
Δ x = 1.3 m m Δ y = 1.7 m m Δ z = 0 .1 m m
Δ x = 0.9 m m Δ y = 1. 1 m m Δ z = 0 .6 m m
Δ x = 0.9 m m Δ y = 0 .8 m m Δ z = 0 .1 m m
Δ x = 1.0 m m Δ y = 0.7 m m Δ z = 0 .1 m m
Max error of the nonlinear model
Δ x = 2.5 m m Δ y = 3.1 m m Δ z = 0 .3 m m
Δ x = 3.0 m m Δ y = 3.1 m m Δ z = 0 .9 m m
Δ x = 3.2 m m Δ y = 4.0 m m Δ z = 0 .3 m m
Δ x = 2.9 m m Δ y = 2.8 m m Δ z = 0 .7 m m
Δ x = 2.6 m m Δ y = 2.4 m m Δ z = 0 .4 m m
Δ x = 3.0 m m Δ y = 2.9 m m Δ z = 1 .1 m m
Mean error of the nonlinear model
Δ x = 0.8 m m Δ y = 1.1 m m Δ z = 0 .1 m m
Δ x = 1.2 m m Δ y = 0.8 m m Δ z = 0 .2 m m
Δ x = 1.1 m m Δ y = 1.3 m m Δ z = 0 .1 m m
Δ x = 0.8 m m Δ y = 0.9 m m Δ z = 0 .4 m m
Δ x = 0.7 m m Δ y = 0.7 m m Δ z = 0 .1 m m
Δ x = 0.8 m m Δ y = 0.5 m m Δ z = 0 .9 m m